<template>
    <div class="icons">
        <swiper :options="swiperOption">
             <swiper-slide v-for="(page,index) of pages" :key="index">
            <div class="icon" v-for="item of page" :key="item.id">
                <div class="icon-img">
                    <img class="icon-img-content" :src="item.imgUrl" alt="" >
                </div>
            <p class="icon-desc">{{item.desc}}</p>
            </div>
            </swiper-slide>
        </swiper>
       
    </div>
</template>

<script>
export default {
    name:'HomeIcons',
    data(){
    return{
        swiperOption: {
        autoplay:false
      }
    }
    },
    props:{
        icon:Array
    },
    computed:{
        // 分页的算法
        pages(){
            const pages = []
            this.icon.forEach((item,index) =>{
                const page = Math.floor(index / 8)
                if (!pages[page]) {
                    pages[page] =[]
                }
                pages[page].push(item)
            })
            return pages
        }
    }
}
</script>

<style lang="stylus" scoped>
    @import '~@/assets/style/varibles.styl';
    @import '~@/assets/style/mixins.styl';
  .icons >>> .swiper-container
    height: 0
    padding-bottom: 50%
  .icons
    margin-top: .1rem
    .icon
      position: relative
      overflow: hidden
      float: left
      width: 25%
      height: 0
      padding-bottom: 25%
      .icon-img
        position: absolute
        top: 0
        left: 0
        right: 0
        bottom: .44rem
        box-sizing: border-box
        padding: .1rem
        .icon-img-content
          display: block
          margin: 0 auto
          height: 100%
      .icon-desc
        position: absolute
        left: 0
        right: 0
        bottom: 0
        height: .44rem
        line-height: .44rem
        text-align: center
        color: $darkTextColor
        ellipsis()
</style>